How do you connect two phones via Bluetooth to transfer files? - eviltoast

The phone models shouldn’t matter should they? One is on Android 11 and the other is on 13. I can only get them to connect for about a second, then the connection drops out. And yes, they’re right next to each other.

And where the hell am I supposed to enter the ‘pairing code’ thing? No entry box pops up on either device…